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Standardized Connections: Features two wiring terminals and a single hose port for straightforward field installation
What does the single pole with shunt configuration do
The automatic reset functionality and external knob range adjuster allow for seamless onsite calibration without exposing internal electrical components
this unit is engineered specifically for 230V single-phase electrical systems
High-Durability Construction: Heavy-duty bakelite ensures HVAC control component stability against temperature fluctuations and mechanical wear
Carrier HH12HA142 Limit Switch 320734-701 Standardized Connections: Features two wiringThe Carrier HH12HA142 is a genuine OEM limit switch engineered for precision thermal protection in residential and commercial gas furnaces. This manual reset limit switch is factory calibrated to trigger at a fixed temperature of 140F (60C), functioning as a critical safety cut off that interrupts the heating circuit upon detecting an over temperature condition. Constructed for high cycle reliability in harsh furnace environments, the HH12HA142
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